As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MAINTENANCE INSPECTION FOUND THE NR 5 EMERGENCY LIGHT INVERTER WOULD NOT ILLUMINATE RIGHT EMERGENCY EXIT SHROUD "EXIT" SIGN. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE AC/DC POWER INVERTER IAW EMB 145 AMM 33-50-11. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.